Here’s what you need to know for your commutes today and tomorrow. (The president is expected to stick around for telephone calls and meetings through Wednesday.)

Expect heavy traffic around East 57th Street and Fifth Avenue.

“If you have any ability to avoid that part of Midtown,” Mayor Bill de Blasio said, “please do.”

The Police Department and Transportation Department are encouraging drivers to use public transportation instead.

If you do decide to drive near there, you may be stopped for a random vehicle inspection at Police Department and Secret Service checkpoints. So leave yourself extra time. Fifth Avenue will remain open, but prepare for temporary closures at any time.

Note: 55th Street between Fifth and Madison Avenues, 56th Street between Sixth and Madison Avenues, and 58th Street between Sixth and Fifth Avenues remain closed to motorists until the end of Mr. Trump’s visit.

The installation, which includes a glass house decorated with portraits of immigrants, was created by Ms. Enfield, a New Yorker and first-generation American whose father escaped Nazi Germany during World War II. The images not only give voice to newcomers, but also celebrate their contributions to cultural life — art, literature, food, fashion and more — around New York and the United States.

The exhibit will remain on display at Ellis Island through Sept. 4.

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